Telephone system



Oct. 10, 1950 2,524,774

G. DEAKIN TELEPHONE SYSTEM Filed Feb. 4, 1946 51 Sheets-Sheet 2 MAIN DIST- FRAME umes- A A g." -es w D 0 I H I LINE FINDER a be BANK FIG. 1

l l I T /4 con aA =5 B F (FINAL) I'O STARTING CIRCUIT FIG. 3 2 3 c 5%??? I0 I PSI PSIZ PCI PM 2 Pcz uo'rzs- CONNECT TER.I TO

PSI FOR LINES WITH KEYSET ZFOR LINES WITH DIAL CONNECT TER. 2 TO PSIZ FOR LINES IN SERVICE FOR LINES OUT OF SERVICE FOR PN PC E PS POTENTIALS SEE FIG-6 PCI UNRESTRICTED LINES FIG. 2

SUBSCRIBER LINE CIRCUIT Pca RESTRICTED LINES MAIN LINES MAIN DIST- TO FIRST IDENT- r FRAME FINDER H 1 A TO LINE 2- w A b 5 v LINE I FINDER c f c BANK F|G.7 f "r To STARTING I CIRCUIT FIG.3 L/ n s con SEE P x 5 4 =5 I 2 a FIG. 20. W

x F (FINAL) SELECTOR BANK SUBSCRIBER LINE CIRCUIT PBX SEE NOTE ONE TO OTHER LINES c 9 CONNECT PBXR TO FIRST on SECOND LINE NOT NEEDED FOR NIGHT SERVICE 9 NUMBERS ANo CONNECT TER. 4 OF SUCH uucs DIRECT TO PM (u NOTE 2:

PCI UNRESTRICTED LINES PCZ RESTRICTED LINES CONNECT TER. I TO .PSI FOR LINES WITH KEYSET 2 FOR LINES WITH DIAL CONNECT TER. 2 TO PSIZ FOR LINES IN SERVICE -FOR LINES OUT OF SERVICE (a) OPEN STRAP AT X EXCEPT ON LAST TRUNK OF'GROUP (b) FOR PN PC L PS POTENTIALS SEE FlG.6x Ic) PNIu) NIGHT LINE NUMBER (dJ PM Ha) PBX NUMBER INVENTOR. GERALD DEA/(IN r/M u yj A TTORNEV Oct. 10, 1950 s. DEAKIN 2,524,774

TELEPHONE sysm;

Filed Fab. 4-, 1946 51 Sheets-Sheet 3 12 MARKER I TO FIRST [Ln/g r|o. mam. FINDER mm o--c D 'ro LINE I O 5 um: FINDER e 1; BANK FIG.7 u

Z #Q I T TO sum-mo clncurr mag l LR f |coR| F I- I 2 a 4 5 P33 P35 PCI 55 PM Pse Pcz PS6 PS7 PS7 A (can mam x B F (FINAL) ELECTOR NOTE:

uu CONNECTlONS FOR STATION C Exit OCCUPATION AT rm 2 4 P5- BOTH STATIONS CONNECTED T PD-STATIONS A OR 6 CONNECTED PI-STATlONS D OR K CONNECTED Y 'NO STATIONS CONNECTED as' nez as s-smzz N T (:1 FOR Phll PC OR PS POTENTIALS st: F G 6 4 PART? L/NE TERMINAL PER LINE 2 d SUBSCRIBER SET CIRCUIT RECTIFIER PULS/NG FINGER PULL KEY couuu-rxron I I COMMUTATOR *2 BL. is U 1 a 1L5: [I e a 0 BE ca "a. ma:

6 Cl am as v lcs v--- RE amma \rtamrq To smms Ns1""| spams Near a swrrcn "00K grams b WIRE gggsmc scum:

omrr

L H 31:1: INVENTOR. a a 4 9 GERALD DEAK/N a o BY I -n9" OF K Y SET on RLEA8E a. c1, umzs FIRST 2. C2 OPENS NEXT 3. C3 CLOSES LAST A TTOPMEY Oct. 10, 1950 v e. DEAKIN 2,524,774

TELEPHONE SYSTEM Filed F b. 4, 1948 51 Sheets-Sheet 4 FINAL TERMI'NALS me. l0

FIG. 2c

T0 I? B-LINK na 5 nos Z-Zb TO QTARTING c'r. FIG. 3

omen

ACTS

LINE FINDER CIRCUIT -4. {csR Y 3. "IBENT'. c'r.

FIG. 7

GERALD DEAK/N BY 0/01 1419 -Jl A TTORNEV 0d. 10, 1950 DEAKIN 2,524,774

TELEPHONE SYSTEM W"TQ R-LINKS FIG. 4

Ma s {4;

2% WE? 0,44 c

FIRST IDENTIFICATION FINDER FIG. 7

MARKER FINDER 4 CIRCUIT FIG. l2

3 LINE cmcun' FIGZBI CABLE "g: g

,. Ou T L -3: INVENTOR. i v GERALD DEAK/N STAT/ON MARK/N6 C/RCU/T -4 PARTV- ATTORNEY Oct. 10, 1950 cs. DEAKIN 2,524,774

'mwruom-z SYSTEM F-i'ied rap.1.4, 194 51 Sheets-Sheet 6 FIG. 5 ,9-

TO LINE DER FIG 7 TO FIRST GROUP F G 4 I TO REG. FIG. '6 [NVENTOR p LINK R U GERALD DEA/(IN 4 PARTY L/NE R/NG/NG BY Hwln m- NOTES Mimss BEFORE "q" BREAKS RESISTANCES APPROXIMATE (M) MARGINAL WW ATTORNEY Oct. 10, 1950 G. DEAKIN musmom: SYSTEM Filed Feb. 4, 1946 TO R-LINK Fl6.4

51 Sheets-Sheet 7 B co a 1- [ML-L KEWNG TON E RELAYS TO FIG 6a.

NOTE

MAKES BEFORE CL BREAKS FIG. 6

TO OUT-TRUNK PULSING CIRCUIT FIG-05cc INVENTOR. GERALD DEA/(IN M film- ,52

A TTORNEV O t. 10, 1950 DEAKIN 2,524,774

mmrnom-z sys'nm Filed Feb. 4, 1946 51 Sheets-Sheet 8 TO FIG. 6b

IN V EN TOR.

6 a GERALD DEA/(IN A rr omvgr Oct. 10, 1950 Filed Feb. 4, 194$ FIG.

G. DEAKIN TELEPHONE SYSTEM 51 Sheets-Sheet 9 INVENTOR.

GERALD DEA/(IN A TTORNEY Oct. 10, 1950 e. DEAKIN 2,524,774

- TELEPHONE SYSTEM Filed Feb. 4, 1946 51 Sheets-Sheet 10 7 RELEASE KEY PULSING T omcun- J v R H TO FIG. 5d.

IN VEN TOR. GERALD DEA/(IN FIG; 6c "PM NEAL- A TTORNEV Oct. 10, 1950 5. DEAKm 2,524,774

' TELEPHONE SYSTEM Filed F6). 4, 1946 51 Sheets-Sheet 11 TO FIG. 6:

BE 1. NO.I

TO FIG. 6;

INVENTOR.

.- 6 w GERALD DEA-KIN A TTORNEV Oct. 10, 1950 Filed F916. 4, .1946

G. DEAKIN TELEPHONE SYSTEM TO FIG. 6d

GROUP OF DIGIT 51 She-ts-Sheet 12 STORING RELAYS INVENTOR.

GERALD DEA/(IN BY 3% 1 17:.

' A TTORNEY Oct. 10, 1950 Filed- F'b. 4, 1946 FIG. 6

G. DEAKIN TELEPHONE sxrs'rmu 51- Sheets-Sheet -14 INVENTOR. GERALD DEA/(IN A TZ'ORNEV' Oct. 10, 1950 e. DEAKIN 2,524,774

'mmraom SYSTEM and Feb. 4, 1946 5 1 Sheets-Sheet 1s SECOND GRQU P INVENTOR.

'I @L'RALD DEA/(IN FIG, 6h W we.

,. A TTORNEY 10,- 19150 cs. DEAKIN 2,524,774

TELEPHONE SYSTEM Filed E65; 4; 1946: s1 Sheets-Sheet 16 TO FIG. 63

INVENTOR.

GERALD DEA/(IN BYPM dudiflk A TTQRMEY Oct. 10, 1950 AK 2,524,774

TELEPHONE SYSTEM Filed Feb. 4, 1946 51 Sheets-Sheet. 17

TO FIG. 6i

INVENTOR. GERALD DEAK/N lav-P A TTORNEV Oct. 10, 1950 e. DEAKIN 2,524,774

I TELEPHONE SYSTEM Ema Fe'b. 4. 1946 51 Sheets-Sheet 18 THIRD GROUP IN VEN TOR.

GERALD DEAK/N FIG. 6k gy {1 A T IORNEV Oct. 10, 1950 DEAKlN 2,524,774

TELEPHONE SYSTEM Filed Feb. 4, 1946 51 Sheets-Sheet 19 IN VEN TOR.

I 6 GERALD DEAK/N 73M lax-4:6 p

A TTORNEY Oct. 10, 1950 Filed Feb. 4, 1946 s. DEAKIN 2,524,774

TELEPHONE SYSTEM 51 Sheets-Sheet 20 RINGING SELECTION R ELAYS Td-FIG 6n.

INVEN TOR. GERALD DEAK/N A TTORNEY 

